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Effects of Phase Separation, Sample Preparation, Grain Size

Effects of Phase Separation, Sample Preparation and Grain Size [Pg.63]

Typical effects of the separation methods on the partition coefficient have been studies by Calmano (1979). Data from radionuclide analysis in Table 4-2 indicate that distribution coefficients between solid and aqueous phases generally are higher from filtration methods than from centrifuge separation for cesium and chromium the difference is a factor of about 10, for iron even higher. [Pg.63]

Factors for the Example of Main River Water (Calmano, 1979) [Pg.63]

Other methodological problems result from sampling and sample preparation, particularly with respect to the solid phase (Chapter 3.2). The effect of preparation methods on experimental determinations of KD-factors of radionuclides between aqueous phases and aquatic sediments has been reviewed by Duursma (1984). There are significant effects of the drying procedures. The influence of grain size on the distribution coefficient can be enormous, as demonstrated by the data in Table 4-3  [Pg.63]




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Effect of size

Effective sample size

Grain effect

Grain size effects

Phase Samples

Phase effects

Phase separation effects

Phase sizes

Preparation of samples

Preparation phase

Preparative separation

Sample Effects

Sample separation

Sample size, effects

Sampling effects

Sampling phase

Sampling phase separation

Sampling sample size

Sampling size

Separation of phase

Separator preparation

Separator sizing

Separators effects

Separators preparative

Size separation

Size separators

Sizing of grains

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